Frame sill extrusion



FIG. 1 is a fragmentary top perspective view of the frame sill extrusion showing my design;

FIG. 2 is a front elevational view in which the rear elevational thereof is a mirror image of the front view;

FIG. 3 is a left side elevational view thereof broken away to indicate indeterminate length;

FIG. 4 is a right side elevation view thereof broken away to indicate indeterminate length;

FIG. 5 is a top plan view thereof broken away to indicate indeterminate length; and

FIG. 6 is a bottom plain view thereof broken away to indicate indeterminate length. 

The ornamental design for a frame sill extrusion, as shown and described. 